BRANDÂ Â WANSA SMART LED TVÂ SOFTWARE MODELÂ WLE42D8856S MAIN BOARDÂ *35019017Â REV-01Â Â 512 MB REM 4GB ROM RESOLUTION 1920*1080Â FULL HD USB UDATABLE FIRMWARE UPDATE Copy the software file into the USB From the remote press and hold Volume Positive button for 30 scand Put on and main Switch